/* ══════════════════════════════════════════════════════
   Project Detail Page Styles
   ══════════════════════════════════════════════════════ */

.back-bar {
    position: sticky;
    top: 64px;
    z-index: 100;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: 12px 0;
}

.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--navy);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 100px;
    border: 1px solid var(--gray-200);
    background: var(--gray-50);
    transition: var(--transition);
}

.back-btn:hover {
    background: var(--orange);
    color: var(--white);
    border-color: var(--orange);
    transform: translateX(-3px);
}

.back-arrow {
    font-size: 1.1rem;
    transition: var(--transition);
}

.back-btn:hover .back-arrow {
    transform: translateX(-3px);
}

.back-btn-large {
    font-size: 1rem;
    padding: 12px 24px;
}

/* ── Project Page Layout ── */
.project-page {
    padding: 40px 0 80px;
    min-height: calc(100vh - 200px);
}

/* ── Project Header ── */
.project-header {
    margin-bottom: 40px;
    padding-bottom: 32px;
    border-bottom: 2px solid var(--gray-100);
}

.project-meta {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.sector-badge {
    display: inline-block;
    background: rgba(255, 153, 0, 0.1);
    color: var(--orange);
    padding: 5px 14px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.status-badge {
    display: inline-block;
    background: rgba(56, 161, 105, 0.1);
    color: #38A169;
    padding: 5px 14px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
}

.project-header h1 {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--navy);
    line-height: 1.2;
    margin-bottom: 8px;
}

.project-customer-line {
    font-size: 1.05rem;
    color: var(--gray-500);
    margin-bottom: 16px;
}

.project-links {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--navy);
    color: var(--white);
    padding: 8px 18px;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
}

.project-link:hover {
    background: var(--orange);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 153, 0, 0.3);
}

.project-link-icon {
    font-size: 1rem;
}

/* ── Detail Sections ── */
.detail-section {
    margin-bottom: 40px;
}

.detail-section h2 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--orange);
    display: inline-block;
}

.detail-section > p {
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.8;
    max-width: 800px;
}

/* Tech Tags */
.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tech-tag {
    background: var(--gray-100);
    color: var(--gray-700);
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid var(--gray-200);
}

/* STAR Grid */
.star-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.star-card {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    padding: 24px;
    transition: var(--transition);
}

.star-card:hover {
    box-shadow: var(--shadow);
    border-color: var(--gray-300);
}

.star-card-label {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--orange);
    margin-bottom: 8px;
    background: rgba(255, 153, 0, 0.1);
    padding: 3px 10px;
    border-radius: 4px;
}

.star-card p {
    font-size: 0.9rem;
    color: var(--gray-600);
    line-height: 1.7;
}

/* Showcase Content */
.showcase-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.showcase-block {
    background: var(--gray-50);
    border-left: 4px solid var(--orange);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: 24px 28px;
}

.showcase-block h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 10px;
}

.showcase-block p {
    font-size: 0.9rem;
    color: var(--gray-600);
    line-height: 1.8;
}

/* Bottom Nav */
.bottom-nav {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--gray-200);
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .project-header h1 {
        font-size: 1.75rem;
    }
    
    .star-grid {
        grid-template-columns: 1fr;
    }
}

/* ── Loading state ── */
.project-page.loading {
    display: flex;
    align-items: center;
    justify-content: center;
}

.error-message {
    text-align: center;
    padding: 60px 20px;
}

.error-message h2 {
    font-size: 1.5rem;
    color: var(--navy);
    margin-bottom: 12px;
}

.error-message p {
    color: var(--gray-500);
    margin-bottom: 24px;
}